package com.alan.shiro.utils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

public class PropertyUtil {
    private static final Logger logger = LoggerFactory.getLogger(PropertyUtil.class);

    public static Properties loadProps(String path){
        logger.info("开始加载properties文件内容.......");
        Properties properties = new Properties();
        InputStream in = null;
        try {
            //第一种，通过类加载器进行获取properties文件流
//            in = PropertyUtil.class.getClassLoader().getResourceAsStream("jdbc.properties");
            in = PropertyUtil.class.getClassLoader().getResourceAsStream( path );
            //第二种，通过类进行获取properties文件流-->
            //in = PropertyUtil.class.getResourceAsStream("/jdbc.properties");
            properties.load(in);
        } catch (FileNotFoundException e) {
            logger.error("jdbc.properties文件未找到");
        } catch (IOException e) {
            logger.error("出现IOException");
        } finally {
            try {
                if(null != in) {
                    in.close();
                }
            } catch (IOException e) {
                logger.error("jdbc.properties文件流关闭出现异常");
            }
        }
        logger.info("加载properties文件内容完成...........");
        logger.info("properties文件内容：" + properties);
        return properties;
    }

}
